CN215068984U - Analysis presentation device suitable for economic system - Google Patents

Abstract

The utility model belongs to the technical field of analysis presentation device technique and specifically relates to an analysis presentation device suitable for economic system, the following scheme is proposed at present, it includes first clipboard, be equipped with the display screen on the first clipboard, one side of first clipboard is equipped with two first logical grooves, two first logical grooves are located the top side and the bottom side of display screen respectively, two first equal sliding connection in logical groove have two sliders, one side that the display screen was kept away from to first clipboard is equipped with two second clipboards, two equal fixedly connected with in one side that two second clipboards are close to each other have two dead levers, the dead lever is close to two spliced poles of the equal fixedly connected with in one side of first clipboard, corresponding slider and fixedly connected with separation blade are all passed to the one end of spliced pole, the outside of spliced pole all is equipped with the spring, the bottom of first clipboard is equipped with two fixing device. The utility model discloses make things convenient for the lecturer to write the demonstration, the second clipboard can be withdrawed, reduces presentation device occupation site space.

Description

Analysis presentation device suitable for economic system

Technical Field

The utility model belongs to the technical field of the analysis presentation device and specifically relates to an analysis presentation device suitable for economic system.

Background

The economic system is formed by combining a plurality of economic elements which are mutually connected and interacted, is an organic whole with specific functions, and can know the economic condition of a certain stage of a company or an enterprise through analyzing the economic system.

The presenter is when analysis economic system, generally all is to give a speech before the display screen, and at the in-process of giving a speech, need combine content such as manual writing, drawing to carry out the analysis, and only place a clipboard in one side of display screen among the current analysis process of giving a speech, its use is got up and is not put the face, and occupation space is great, for this, the utility model provides an analysis presentation device suitable for economic system.

SUMMERY OF THE UTILITY MODEL

For solving the problem among the prior art, the utility model provides an analysis presentation device suitable for economic system.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an analysis demonstration device suitable for an economic system comprises a first writing board, a display screen is arranged on the first writing board, two first through grooves are arranged on one side of the first writing board, the two first through grooves are respectively positioned on the top side and the bottom side of the display screen, two sliding blocks are connected in the two first through grooves in a sliding manner, two second writing boards are arranged on one side of the first writing board far away from the display screen, two fixing rods are fixedly connected on the sides of the two second writing boards close to each other, the four fixing rods and the four sliding blocks are in one-to-one correspondence, two connecting posts are fixedly connected on one side of the fixed rod close to the first writing board, one ends of the connecting posts penetrate through the corresponding sliding blocks and are fixedly connected with blocking pieces, the outside of spliced pole all is equipped with the spring, the spring all is located between separation blade and the slider, the bottom of first clipboard is equipped with two fixing device who is used for two fixed second clipboards respectively.

In some embodiments, the fixing devices each include a connecting block fixedly connected to the bottom surface of the first writing board, a groove is formed in the bottom end of the connecting block, a gear is rotatably connected to the groove, a rack is engaged with one side of each of the two gears away from each other, the two racks are respectively located in the two grooves and are slidably connected to two sides of the grooves, a first connecting rod is fixedly connected to the bottom end of each rack, a limiting column is fixedly connected to the top surface of the first connecting rod, a limiting hole is formed in the bottom surface of the second writing board, and the limiting hole is matched with the limiting column.

In some embodiments, a worm wheel is fixedly connected to one end surface of each gear, two worms are arranged on one side, close to each other, of each connecting block, the two worms are rotatably connected with the first writing board, the two worms are respectively meshed with the two worm wheels, a second connecting rod is fixedly connected to the bottom ends of the worms, and a pushing column is fixedly connected to the top surface of the second connecting rod.

In some embodiments, a storage box is arranged on the bottom surface of the first writing board, and the storage box is located between the two connecting blocks.

In some embodiments, two wiping strips are arranged on one side of the first writing board close to the second writing board, and the two wiping strips are respectively matched with the two second writing boards.

The utility model has the advantages that:

1. the utility model achieves the aim of facilitating the lecturer to write and demonstrate;

2. the side surface of the second writing board is flush with the side of the first writing board close to the display screen, so that the aim of preventing larger gaps from occurring in continuously written contents or continuous graphs in the process of writing or drawing is fulfilled, and a listener can comfortably and clearly watch the contents of writing demonstration;

3. the second writing board can be retracted, and the occupied space of the demonstration device is reduced.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a rear view of a part of the structure diagram of the present invention;

fig. 4 is a schematic structural diagram of the fixing device of the present invention.

Reference numbers in the figures: 1 display screen, 2 first logical groove, 3 first clipboards, 4 sliders, 5 separation blades, 6 second clipboards, 7 spacing posts, 8 post, 9 first connecting rods, 10 second connecting rods, 11 connecting blocks, 12 worms, 13 storage boxes, 14 springs, 15 connecting posts, 16 fixing rods, 17 wiping strips, 18 spacing holes, 19 racks, 20 grooves and 21 worm wheels.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an analysis demonstration device suitable for an economic system comprises a first writing board 3, a display screen 1 is arranged on the first writing board 3, two first through grooves 2 are arranged on one side of the first writing board 3, the two first through grooves 2 are respectively positioned on the top side and the bottom side of the display screen 1, two sliders 4 are respectively connected in the two first through grooves 2 in a sliding manner, two second writing boards 6 are arranged on one side of the first writing board 3 away from the display screen 1, two fixing rods 16 are respectively fixedly connected on one side of the two second writing boards 6 close to each other, the four fixing rods 16 and the four sliders 4 are in one-to-one correspondence, two connecting posts 15 are respectively and fixedly connected on one side of the fixing rods 16 close to the first writing board 3, one ends of the connecting posts 15 respectively penetrate through the corresponding sliders 4 and are fixedly connected with blocking pieces 5, springs 14 are respectively sleeved on the outer portions of the connecting posts 15, the springs 14 are positioned between the blocking piece 5 and the sliding block 4, and two fixing devices for fixing the two second writing boards 6 are arranged at the bottom of the first writing board 3 respectively;

the fixing devices comprise connecting blocks 11 fixedly connected to the bottom surface of the first writing board 3, grooves 20 are formed in the bottom end of each connecting block 11, gears are rotatably connected in the grooves 20, racks 19 are meshed on the sides, away from each other, of the two gears, the two racks 19 are respectively located in the two grooves 20 and are slidably connected with the two sides of the grooves 20, the bottom ends of the racks 19 are fixedly connected with first connecting rods 9, limiting columns 7 are fixedly connected to the top surfaces of the first connecting rods 9, limiting holes 18 are formed in the bottom surface of the second writing board 6, and the limiting holes 18 are matched with the limiting columns 7;

one end face of each gear is fixedly connected with a worm wheel 21, one side, close to each other, of each connecting block 11 is provided with two worms 12, each worm 12 is rotatably connected with the first writing board 3, each worm 12 is meshed with each worm wheel 21, the bottom ends of the worms 12 are fixedly connected with second connecting rods 10, and the top faces of the second connecting rods 10 are fixedly connected with push posts 8;

a storage box 13 is arranged on the bottom surface of the first writing board 3, and the storage box 13 is positioned between the two connecting blocks 11;

one side of the first writing board 3 close to the second writing board 6 is provided with two wiping strips 17, the two wiping strips 17 are respectively matched with the two second writing boards 6, and the two wiping strips 17 can respectively wipe the surface writing of the two second writing boards 6.

The working principle is as follows: a speaker stands at one side of the display screen 1, the economic system is analyzed through the display screen 1, and the display screen 1 is positioned in the middle of the first writing board 3, so that when the speaker stands at any side of the display screen 1, the speaker can write and demonstrate on the first writing board 3 by combining with the content of the speech, and the aim of facilitating the speaker to write and demonstrate is fulfilled;

when the writing space of the first writing board 3 is insufficient, the second writing board 6 positioned behind the first writing board 3 can be pulled out, the spring 14 is always in a compressed state in the process of pulling the second writing board 6, and when one side, close to the first writing board 3, of the second writing board 6 moves to one end of the first writing board 3, the spring 14 returns to enable the side surface of the second writing board 6 to be flush with one side, close to the display screen 1, of the first writing board 3, so that the purpose that large gaps cannot appear in continuous writing contents or continuous graphs in the process of writing or drawing is achieved, and a listener can comfortably and clearly watch the contents of writing demonstration;

when the second writing board 6 is pulled to a position which is parallel to the first writing board 3, the pushing column 8 is rotated towards a direction far away from the second writing board 6, so that the worm 12 rotates, the worm 12 rotates to drive the worm wheel 21 and the gear to rotate, the gear rotates to enable the rack 19 to move towards a direction close to the first writing board 3, and the limiting column 7 enters the limiting hole 18, so that the purposes of fixing the pulled second writing board 6 and preventing the second writing board 6 from moving backwards unstably in the writing process are achieved;

after the speech is finished, the push column 8 is pushed towards the direction close to the second writing board 6, the worm 12, the worm wheel 21, the gear and the rack 19 move in the direction opposite to the previous direction, the limiting column 7 leaves the limiting hole 18, the push column 8 is continuously pushed, one side of the second writing board 6 is pushed to be flush with the side, far away from the display screen 1, of the first writing board 3, the second writing board 6 is pushed, the two second writing boards 6 are made to be close to each other, and therefore the purposes of withdrawing the second writing board 6 and reducing the occupied space of the demonstration device are achieved;

the wiping strip 17 wipes the writing on the surface of the second writing board 6 during the retraction of the second writing board 6.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. An analysis demonstration device suitable for an economic system, characterized in that: comprises a first writing board (3), a display screen (1) is arranged on the first writing board (3), two first through grooves (2) are arranged on one side of the first writing board (3), the two first through grooves (2) are respectively positioned on the top side and the bottom side of the display screen (1), two sliders (4) are respectively connected in the two first through grooves (2) in a sliding manner, two second writing boards (6) are arranged on one side, far away from the display screen (1), of the first writing board (3), two fixing rods (16) are respectively and fixedly connected on one side, close to each other, of the two second writing boards (6), the four fixing rods (16) correspond to the four sliders (4) one by one, two connecting columns (15) are respectively and fixedly connected on one side, close to the first writing board (3), of the connecting columns (15) respectively penetrate through the corresponding sliders (4) and are fixedly connected with blocking pieces (5), the outside of spliced pole (15) all is equipped with spring (14), spring (14) all are located between separation blade (5) and slider (4), the bottom of first clipboard (3) is equipped with two fixing device who is used for two fixed second clipboards (6) respectively.

2. The analysis and demonstration device suitable for the economic system according to claim 1, wherein the fixing devices each comprise a connecting block (11) fixedly connected to the bottom surface of the first writing board (3), a groove (20) is formed in the bottom end of each connecting block (11), a gear is rotatably connected in each groove (20), a rack (19) is meshed on one side, away from each other, of each gear, the two racks (19) are respectively located in the two grooves (20) and are slidably connected with the two sides of each groove (20), a first connecting rod (9) is fixedly connected to the bottom end of each rack (19), a limiting column (7) is fixedly connected to the top surface of each first connecting rod (9), a limiting hole (18) is formed in the bottom surface of the second writing board (6), and the limiting hole (18) is matched with the limiting column (7).

3. The analysis and demonstration device suitable for the economic system according to claim 2, wherein a worm wheel (21) is fixedly connected to each end surface of the gears, two worms (12) are arranged on the side where the two connecting blocks (11) are close to each other, the two worms (12) are rotatably connected to the first writing board (3), the two worms (12) are respectively meshed with the two worm wheels (21), a second connecting rod (10) is fixedly connected to each bottom end of the worm (12), and a push column (8) is fixedly connected to each top surface of the second connecting rod (10).

4. An analysis demonstration device adapted to an economic system according to claim 1 characterised in that the first writing board (3) is provided with a housing box (13) on its bottom surface, said housing box (13) being located between two connecting blocks (11).

5. An analysis demonstration device adapted to be used in an economic system according to claim 1 characterised in that the side of the first writing board (3) adjacent to the second writing board (6) is provided with two wiping strips (17), the two wiping strips (17) cooperating with the two second writing boards (6) respectively.

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